39 lines
860 B
Go
39 lines
860 B
Go
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package securityUtil
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import (
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"crypto/md5"
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"errors"
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"fmt"
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)
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// 对字符串进行MD5加密，并且可以选择返回大、小写
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// s:输入字符串
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// ifUpper:输出是否大写
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// 返回值：md5加密后的字符串
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func Md5String(s string, ifUpper bool) string {
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if len(s) == 0 {
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panic(errors.New("input string can't be empty"))
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}
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return Md5Bytes([]byte(s), ifUpper)
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}
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// 对字符数组进行MD5加密，并且可以选择返回大、小写
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// b:输入字符数组
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// ifUpper:输出是否大写
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// 返回值：md5加密后的字符串
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func Md5Bytes(b []byte, ifUpper bool) string {
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if len(b) == 0 {
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panic(errors.New("input []byte can't be empty"))
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}
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md5Instance := md5.New()
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md5Instance.Write(b)
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result := md5Instance.Sum([]byte(""))
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if ifUpper {
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return fmt.Sprintf("%X", result)
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} else {
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return fmt.Sprintf("%x", result)
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}
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}
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